content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.flowable.internal.operators;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.*;
  
  import java.util.List;
  
  import org.junit.Test;
  import org.reactivestreams.Subscriber;
  
  import io.reactivex.common.*;
  import io.reactivex.common.exceptions.TestException;
  import io.reactivex.common.functions.Function;
  import io.reactivex.flowable.*;
  import io.reactivex.flowable.internal.subscriptions.BooleanSubscription;
  import io.reactivex.flowable.subscribers.TestSubscriber;
  
  public class FlowableDematerializeTest {
  
      @Test
      public void testDematerialize1() {
          Flowable<Notification<Integer>> notifications = Flowable.just(1, 2).materialize();
          Flowable<Integer> dematerialize = notifications.dematerialize();
  
          Subscriber<Integer> observer = TestHelper.mockSubscriber();
  
          dematerialize.subscribe(observer);
  
          verify(observer, times(1)).onNext(1);
          verify(observer, times(1)).onNext(2);
          verify(observer, times(1)).onComplete();
          verify(observer, never()).onError(any(Throwable.class));
      }
  
      @Test
      public void testDematerialize2() {
          Throwable exception = new Throwable("test");
          Flowable<Integer> observable = Flowable.error(exception);
          Flowable<Integer> dematerialize = observable.materialize().dematerialize();
  
          Subscriber<Integer> observer = TestHelper.mockSubscriber();
  
          dematerialize.subscribe(observer);
  
          verify(observer, times(1)).onError(exception);
          verify(observer, times(0)).onComplete();
          verify(observer, times(0)).onNext(any(Integer.class));
      }
  
      @Test
      public void testDematerialize3() {
          Exception exception = new Exception("test");
          Flowable<Integer> observable = Flowable.error(exception);
          Flowable<Integer> dematerialize = observable.materialize().dematerialize();
  
          Subscriber<Integer> observer = TestHelper.mockSubscriber();
  
          dematerialize.subscribe(observer);
  
          verify(observer, times(1)).onError(exception);
          verify(observer, times(0)).onComplete();
          verify(observer, times(0)).onNext(any(Integer.class));
      }
  
      @Test
      public void testErrorPassThru() {
          Exception exception = new Exception("test");
          Flowable<Integer> observable = Flowable.error(exception);
          Flowable<Integer> dematerialize = observable.dematerialize();
  
          Subscriber<Integer> observer = TestHelper.mockSubscriber();
  
          dematerialize.subscribe(observer);
  
          verify(observer, times(1)).onError(exception);
          verify(observer, times(0)).onComplete();
          verify(observer, times(0)).onNext(any(Integer.class));
      }
  
      @Test
      public void testCompletePassThru() {
          Flowable<Integer> observable = Flowable.empty();
          Flowable<Integer> dematerialize = observable.dematerialize();
  
          Subscriber<Integer> observer = TestHelper.mockSubscriber();
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>(observer);
          dematerialize.subscribe(ts);
  
          System.out.println(ts.errors());
  
          verify(observer, never()).onError(any(Throwable.class));
          verify(observer, times(1)).onComplete();
          verify(observer, times(0)).onNext(any(Integer.class));
      }
  
      @Test
      public void testHonorsContractWhenCompleted() {
          Flowable<Integer> source = Flowable.just(1);
  
          Flowable<Integer> result = source.materialize().dematerialize();
  
          Subscriber<Integer> o = TestHelper.mockSubscriber();
  
          result.subscribe(o);
  
          verify(o).onNext(1);
          verify(o).onComplete();
          verify(o, never()).onError(any(Throwable.class));
      }
  
      @Test
      public void testHonorsContractWhenThrows() {
          Flowable<Integer> source = Flowable.error(new TestException());
  
          Flowable<Integer> result = source.materialize().dematerialize();
  
          Subscriber<Integer> o = TestHelper.mockSubscriber();
  
          result.subscribe(o);
  
          verify(o, never()).onNext(any(Integer.class));
          verify(o, never()).onComplete();
          verify(o).onError(any(TestException.class));
      }
  
      @Test
      public void dispose() {
          TestHelper.checkDisposed(Flowable.just(Notification.createOnComplete()).dematerialize());
      }
  
      @Test
      public void doubleOnSubscribe() {
          TestHelper.checkDoubleOnSubscribeFlowable(new Function<Flowable<Object>, Flowable<Object>>() {
              @Override
              public Flowable<Object> apply(Flowable<Object> o) throws Exception {
                  return o.dematerialize();
              }
          });
      }
  
      @Test
      public void eventsAfterDematerializedTerminal() {
          List<Throwable> errors = TestCommonHelper.trackPluginErrors();
          try {
              new Flowable<Object>() {
                  @Override
                  protected void subscribeActual(Subscriber<? super Object> observer) {
                      observer.onSubscribe(new BooleanSubscription());
                      observer.onNext(Notification.createOnComplete());
                      observer.onNext(Notification.createOnNext(1));
                      observer.onNext(Notification.createOnError(new TestException("First")));
                      observer.onError(new TestException("Second"));
                  }
              }
              .dematerialize()
              .test()
              .assertResult();
  
              TestCommonHelper.assertUndeliverable(errors, 0, TestException.class, "First");
              TestCommonHelper.assertUndeliverable(errors, 1, TestException.class, "Second");
          } finally {
              RxJavaCommonPlugins.reset();
          }
      }
  }
  